Liczymy pasujące modele…
I started studying the programming of STM32 microcontrollers and got one of the Nucleo-64 boards for practice. One of the annoying moments was having it freely “gliding” on the surface of my desk with metal connectors being exposed to…
A colleague needed a box for microscope slides and found this model first: https://www.printables.com/model/810152-microscopy-slide-box . It worked sufficiently, but after some usage, the following we needed some adjustment according to…
I got such PC for experiments as home lab server and wanted to place it somewhere in the meter cupboard. Didn't found ready solution, thus designed my own. It need a pair of screws 4mm per each bracket for mounting (+ a pair of wall plugs…
Just needed to measure the power consumption of LED strip in another project . Quickly drafted and made of PETG filament. The casing accommodates a cheap volt-ampere meter module (with a 2-line 3-digit 7-segment indicator). The top part…
Tray (relatively heavy for stability) to work with spectrophotometer cuvettes. Mostly, for use as a stable basement for cuvettes for work within an anaerobic tent. Each slot contains an additional notch to be able to accommodate the…
A colleague needed to conduct long-term reactions in Eppendorf tubes when shaking, but the only available shaker was accepting 96-well plates only. Thus, made the Eppendorf tubes holder with a footprint of 96-well plate. It can…
A few baseplates (platforms) to hold in place the Duran bottles while attached to the Pioreactor platform. Uses 40mm×40mm grid of original Pioreactor dovetail mounting system. Test samples for 1L and 0.5L (3x3 grid unit) were printed in…
One of the experiments involved growing anaerobic microorganisms in upside-down 100ml serum vials within a thermostat without shaking. These holders were designed with that in mind, and they fit WHEATON Serum Bottle 100 mL with crimp neck…
Tray for 30 glass vials (used in sample prep, etc.) for either GC or TOC application, that could be used for either 15 ml vials (such as ones used for GC headspace analysis) or for 30 ml and larger volumes (such as ones used in Shimadzu…
A colleague needed to arrange the LEDs around the 1L reaction vessel for the cultivation of phototrophic microorganisms. This model(s) were made to use an 8 mm LED strip and has an additional slot for its power connector. The main…
Holder to put together and get some "stability" to the combination of Arduino Uno, Nextion 3.5-inch display, and RTC/SD card shield. Small screws are required to assemble everything together. The screen plate was added to protect the…
We used to have gas-exchange machine to replace the headspace of serum vial with a defined mix of gases. However, 30 ml and 50 ml vials are too light and are easily tilted by the weight of connecting tubing. Thus, we needed some sort of…
A colleague ran an experiment using 60 ml syringes for substrate feeding and pH correction solutions with peristaltic pumps from Applikon my-Control block. As there wasn't much space on the lab bench or in the fume hood, it was necessary…
Anaerobic tent is the equipment for work with microorganisms in the absence of oxygen. For such purpose there are catalyst boxes (a.k.a. oxygen scrubbers) where oxygen is converted into water via catalyzed reaction with hydrogen. The…
Just trying to save some space on the laboratory benchtop and prevent the boxes of pipette tips falling around. These model(s) were designed in Solidworks 2021 as part of work at Wageningen University and Research.
Used to work with IC equipment equipped with Dionex AS-AP autosampler. Preparing the full loadout of samples (3 trays) required some organizing and this is why this tray was designed. It has 3 sections (one per each vial block in…
Colleagues were working with Applikon bioreactors and, due to safety regulations, had to use those in the ventilated fumehood on top of the perforated surface. The native Applikon stand is sliding on the perforated metal surface of…
A colleague was culturing some phototrophic microorganisms in Hungate tubes in a similar tray/holder of his design. At some point, the holder broke apart due to long-term exposure to heat (backing oven lamp bulb as a light source). Thus,…
Such holder is used to transport anaerobic or gaseous/liquid samples from the sampling spot/bench to analytical equipment or place of further sample preparation. A colleague of mine designed a similar holder for a smaller septum size, but…
In our lab we used the Hungate tube rotator from "Kontes Glass Co." to prepare Hungate tubes with agar medium on the walls (surface attached cultivation of microorganisms). Plastic parts of back and front support was worn off, so designed…
One of the experiments involved the cultivation of microorganisms in upside-down 200 ml serum vials inside of thermostat without shaking. These holders were designed for that purpose and as a scale-up for 100 ml holders:…
A colleague needed to attach utility clamps (as the ones utilized in retort stands) to the lids of Applikon reactors. Designed models use a pair of M5 threads to fix the clamp in the slot and some extra inner nuts for extra mechanical…
20 ml tube rack with increased spacing for Pioreactor
The colleague cultivated anaerobes in large Hungate tubes and needed to measure the optical density of the culture without opening the tube. The available photometers were unable to accept the tube with culture as is or to protect against…
A colleague was using Applikon bioreactors for growing anaerobic microorganisms, but the sourced gaseous substrate contained trace amounts of oxygen. Those amounts were sufficient to inhibit growth of microbial culture. After some…
Colleague needed to use the Quangen plate (QIAcuity Nanoplate 8.5k 96-well) within automatic liquid handler from Eppendorf. After some experiments, ended up with this design. REMARK: to use it within the software, a special config file…
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